Machine for operating upon shoe parts



April 28, 1936. E. E. WINKLEY MACHINE FOR OPERATING UPON SHOE PARTS s snets-shet 1 Filed Dec. 21, 1933 April 28, 1936.

E. E. WINKLEY MACHINE FOR OPERATING UPON SHOE PARTS Filed Dec. 21, 1953 5 Sheets-Sheet 2 a am April 28, 1936. E, E, W EY 2,038,696

MACHINE FOR OPERATING UPON SHOE PARTS Filed Dec. 21, 1953 5 Sheets-Sheet 3 Patented Apr. 28, 1936 UNITED STATES PATENT OFFICE MACHINE FOR OPERATING UPON SHOE PARTS Application December 21, 1933, Serial No. 703,449

Claims.

This invention relates to a machine for operating upon shoe parts and is herein illustrated as embodied in a machine for operating upon the margins of shoe soles. As shown, the machine applies a coating to the margin of a sole.

Many shoe parts having irregular or curved contours are operated upon around part or the whole of their peripheries to prepare them for embodiment in the shoe. Instances of such operations are to be found in the skiving of the margins of box toes and counters, the edging of toe caps, the coating of heel lifts, and the fitting of shoe soles by channeling, roughing, coating or otherwise acting upon the margin of the soles. Such operations can be carried out very much more expeditiously if the machine to which the parts are presented is arranged so as to feed the margin of the work automatically past the operating tool or tools, maintaining the edge of the part in contact with a suitable gage during such traversing movement.

Accordingly, an important object of the invention is to provide a machine for operating upon shoe parts having improved means for moving the shoe part past a tool without interfering with the guiding of the work.

Features of the invention are to be found in an improved feeding mechanism which not only effects a feeding movement of the work without interfering with the guiding of the work, but which, as illustrated, is arranged to impart to the work a force acting in a direction laterally of the direction of progress of the work. As illustrated, the machine is arranged to apply this force impositively to maintain the work in contact with an edge gage.

These and other features of the invention will now be set forth in the following specification taken in connection with the accompanying drawings, in which Fig. 1 is an end elevation of the machine with parts broken away;

Fig. 2 is a plan View with the upper part of the machine removed;

Fig. 3 is a detailed perspective View of the members which act upon the work to urge it toward the edge gage;

Fig. 4 is a vertical section on the line IV-IV of Fig. 2;

Fig. 5 is a detailed perspective view of the feeding members which engage the under side of the work;

Fig. 6 is a plan view, with parts broken away and in section, of the driving mechanism for the feeding members which engage the upper side of the work; and

Fig. 7 is a section on the line VII-VII of Fig. 6.

The machine is built up around a box-like frame I 0 having a removable cover portion [2 bolted thereto. Supported in brackets'formed on this cover portion l2 at the rear of the machine is a drive shaft l4 supplied with power from any suitable source, not shown, and at the top of the machine is a cross shaft 16 connected to the drive shaft M by a chain 18 running upon suitable sprockets and passing under an idler sprocket 20. Extending transversely of the frame Ill parallel to and beneath the shaft i6 is a cam shaft 22 which receives power form the cross shaft l6 through a vertical shaft 24 connected to the shafts I6 and 22 by miter gears 26 and 28 (Fig. 1). r

The machine as here shown is operating upon a shoe sole S, which has been previously cemented for use in a compo shoe, and is applying a coating of solvent to the cemented area which is on the flesh side, here shown as beneath. This use of the machine for applying a coating to the work is purely illustrative and it will be understood that the machine may be adapted for many other uses and for use in connection with many other types of work. For this particular operation, however, the machine has a receptacle 30 which is bolted to the front of the frame l0.

Brushes 32 and 34, which are shaped as shown in Fig. 2 and are secured to carriers 35, are mounted for vertical reciprocation upon guide rods 36 into and out of coating material contained within the receptacle and into contact with the lower face of the work. The size of the brushes and their rate of reciprocation is so related to the rate of feeding movement of the work that the applied splotches of coating material overlap somewhat. Two of these rods 36 are provided which are held in sockets 38 at the bottom of the receptacle by means of clamp screws 40 and the upper ends of the rods are secured in spaced relation in a manner to be later described. The reciprocation of the brushes to cause them alternately to dip in the solvent and to press against the under side of the sole is effected by means of cams 42 on the cam shaft 22. These cams, as illustratedare designed to press the brushes firmly enough against the work to cause the bristles to spread slightly. These cams 42 operate upon cam levers 44 pivoted at 45 upon the front of the frame In and connected by rods 48 to rock levers 50'journaled on the cross shaft I6 and joined by links 52 to the brush carriers 35 which are slidable on 45 a cover I2 andis held therein by a set screw 92.

2 the rods 36. It follows then that, during the use of the machine, solvent will be applied. alternately by the brushes 32 and 34 to the under side of the.

sole carried past the brushes and maintained in contact with gage members 54 and 56 (Fig. 2)

The member 62 is formed directly upon the end of a shaft 64 which is positioned within a sleeve 66 carrying the other member 60 and this sleeve is journaled in an arm 68, the upper half of which is integral with the cover I2 and the lower half of which is removably held in position by screwsil0 (Fig. 4). Rotation of these feeding members is effected from a long pinion I2 journaled in the cover I2 and driven through miter gears I4 (Fig. 2) from the drive shaft I4- The shaft64 has fastened to it a pinion I6 meshing with the long pinion I2, while the surrounding sleeve 66 has fastened to it a pinion 18 also meshing with the long pinion I2. The two arcuate members 60, 62 engage the'work successively to effect a forward movement thereof and each of them is mounted for axial movement under the control of springs 88, 98 tending to return them to their original positions. To this end a collar 80 with spaced flanges is attached to the pinion I6 and the shaft 64 and this collar 80 receives a roll 8| upon the end of a bell-crank 82 which is pivoted upon the top of the cover and the other end of which supports a roll 83 which is received between the flanges of a collar 84, slidable upon a rod 86. This collarhas bushings between itand the rod 86 andis acted uponequally and oppositely by the springs 88 which press against the enlarged ends of the bushings. The rod 86 is positioned in lugs 90 integral with the Provision is' thus made for movement of the arcuate feeding member 62 either toward or away from the gages 54, 56when displaced axially by reason of the turning movement of the irregularly shaped sole S with which the feeding member 62 is in engagement 'Ihe return of the feeding member 62 to normal position will take place. as soon as' the member has disengaged the work. Similar apparatus is provided to effect the return to normal position of the associated feeding member 60, this apparatus comprising a flanged collar 94 integral with the sleeve 66, a bell-crank 96 and springs 98 upon a rod 99.

It will be seen by reference toFig. 2 that the arm 68 has fingers I00 extending forwardly and outwardly from the end of the arm and that these fingers serve as supports for the upper end of the guide rods 36 upon which the brush carriers reciprocate. Secured to the fingers J00 as by screw pins 55 are thesector shaped gages 54 and 56 and upon theupper faceof each gage is held a flat spring I02. These springs rest against the upper face of the work and assist in holding it in engagement with thearcuate feeding-members60,62. p

In order that the work may beheld automaticallyin contact with the edge gages as it is fed forward, the feeding'mechanism embodies another set of members H0 and H2, serving as driven auxiliary feed rolls, each of which comprises a series of arcuate faces II4 for frictionally engaging the work intermittently. The rolls IIO, II2 may be of rubber or may be faced with rubber or the like to increase their drag upon the work. The operative faces of these members I I0, I I2 are staggered so that theeffect upon the work is substantially continuous and as the members are driven in the direction of the arrow in Fig. 4 they assist the feeding by tending always to hold the sole S in contact with the edge gages 54, 56. These members H0, H2 are slidably secured to a jack shaft H6 which is carried in the outer end of a cover I20 having hubs I22 (Fig. 6) which are pivotally mounted. upon the cross shaft I6. Rotation of the jack shaft H6 is effected, by means of pinions I24 outside the cover and a series of pinions I26 within the cover, from the cross shaft I6. Since this cover is pivotally mounted on the cross shaft I6, it may be raised for inspection or repair of the associated parts and the feeding members III], II 2 are held frictionally by the weight of the cover and pinions in'contact with the upper side of the Work. In view of the fact that these members are moving transversely of the direction of forward'movement, the arrangement is made such that each one can move axially along the jack shaft II6 with the work until the particular arcuate section which engages the work passes out of contact therewith, whereupon these members are returned to normal position by springs I28 and I30. The feeding member IIO is positioned beside a collar I32 secured to the jack shaft H6 and is slidable with respect to the jack shaft along a pin I34 extending into this collar. The collar serves as a stop to de- I20, to avoid soiling of the auxiliary feed rolls by the brushes or other damage, maybe adjustably determined by a stop screw I (Figs. 1 and 2) which is secured near the outer end of the arm 68 and is held in adjusted position therein by means of a lock nut.

It will be seen, therefore, that, in the use of the machine, each of the auxiliary feeding memj bers IIO, I I2 acts successively upon the work by frictional engagement to urge the work into con-- tact with the edge gages 5 4, 56. Forward progress of the work is being effected by the toothed feeding members 60, 62 to carry the work past the operating tools 32, 34. As an'operative portion of a member H0 or II2 engages the Work to urge it against the edge gages, said member is carried along with. the work by friction a short distance in opposition to one of the springs I28 or I30 and then as soon as it disengages the work is carried back into normal position by a spring I28 or I30 ready for reengagement with the work at a point adjacent to the feeding members 60, 62 and the edge gages 54, 56.

' A machine has, therefore, been provided means of which the whole contourof a piece of work such as. a shoe sole will be presented automatically to an operating tool without damaging the work, without deviation from the. desired path of movement, and without wear upon the machine. Since the toothed members 60, 62 engage the work intermittently and are axially yieldable, there will be no tendency either to mar the work or wear the feeding members or to hold the work away from the edge gages. Similarly, the arrangement of the auxiliary feeding members no, H2 is such that there is no tendency to retard the forward feeding movement of the work or to cause an undue amount of slipping movement between these arcuate members and the work.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent of the United States is:

1.. In a machine for operating upon shoe parts, the combination with. operating means of a member movable to advance a piece of work for the operation upon it, a work gage, and a member movable to urge the work toward the gage, one of said members being movable by the work in a plane substantially parallel to the surface of the work and in a direction transverse to the active movement of the member.

2. In a machine for operating upon shoe parts, the combination with operating means of a member movable to advance a piece of work for the operation upon it, a work gage, and amember movable to urge the work toward the gage, both of said members being. movable by the work in a direction transverse to their active movements.

3. In a machine for operating upon shoe parts, the combination with operating means of a rotatable member movable to advance a piece of work for the operation upon it, a work gage,

and a rotatable member movable to urge the work toward the gage, said members being mounted for axial movement by the work in a direction transverse to their active movements.

4. In a machine for operating upon shoe parts, an operating tool, and a driven feeding member engaging the work intermittently and constructed and arranged to feed the work, said feeding member being mounted for displacement by the work laterally of the direction of feeding movement.

5. In a machine for operating upon shoe parts, an operating tool, a driven feeding member engaging the work intermittently and constructed and arranged to feed the work forwardly, said feeding member being mounted for displacement by the work laterally of the direction of feeding movement, and means to restore to normal position said displaceable member during periods of disengagement of the member with the work.

6. In a machine for operating upon shoe parts, an operating tool, and means for moving the shoe part past the tool, comprising a plurality of members operable for successive engagement with the shoe part, said members being mounted for yielding movement laterally of the margin of the shoe part and being driven to impart a forward feeding movement thereto.

7. In a machine for operating upon shoe parts, an operating tool, and means for carrying the shoe part past said tool, comprising rotatable driven members adapted to act successively upon the work to move it forward, one of said members being mounted for axial movement.

8. In a machine for operating upon shoe parts, an operating tool, driven members for carrying the work past the tool and arranged to act successively upon the work, said members being mounted for movement laterally of the direction of progress of the work, and means for returning to a normal position that one of the members which is not in engagement with the work.

9. In a machine for operating upon shoe parts having a curved contour, a, tool for operating progressively upon. the work, an edge. gage adjacent said tool, and means for carrying the Work past said tool in contact with the edge gage, comprising a member mounted for forward feeding movement and for lateral. movement toward or away from the edge gage and means for driving said member positively to: move the work past the edge. gage and for moving the member impositively in a direction laterally of the direction. of progress.

10. In a machine for operating upon shoe parts having a curved contour, an operating tool, and means for movingthe work with respect to the tool, comprising successively acting arcuate members, means for rotating said members to cause them to actsuccessively upon the work, the members being mounted for axial movement, and means for returning. a member to normal position when it is out of contact with the work in case it has become displaced by the work.

11. In a machine for operating upon shoe parts, an operating tool, gaging means positioned adjacent thereto, and means for feeding the work past said tool in contact with said gaging means, comprising coaxial arcuate members adapted to engage the work successively, means for rotating said members about their axes, and resilient means for moving said members along said axes during periods of disengagement with the work.

12. In a machine for operating upon shoe parts, an operating tool, an edge gage adjacent thereto, and means for moving a shoe part to carry it past said tool in contact with the edge gage, comprising plural rota-table means one of which operates to impart movement past the gage and the other of which operates to impart movement laterally toward the gage, one of said rotatable means comprising arcuate portions adapted to operate upon the shoe part successively and yieldab-lewith the moving shoe part to prevent dragging thereof across the shoe part.

13. In a machine for operating upon shoe parts, an operating'tool, an edge gage adjacent thereto, and means for carrying the margin of the shoe part past the operating tool with the shoe part in contact with the edge gage, comprising laterally displaceabletoothed members for engaging the fiesh surface of the shoe part and. a friction member for engaging the grain surface of the shoe part.

14. In a machine for operating upon shoe parts, an operating tool, an edge gage adjacent thereto, and means for carrying the margin of the shoe part past the operating tool with the shoe part in contact with the edge gage, comprising driven means for effecting forward feeding movement of the shoe part and frictional means having a slipping engagement with the shoe part tending to maintain it against the edge gage, said frictional means being yieldable in the direction of feeding movement.

15. In a machine for operating upon shoe parts, an operating tool, an edge gage adjacent thereto, and means for carrying the margin of the shoe part past the operating tool with the shoe part in contact with the edge gage, comprising successively acting arcuate members positively driven to feed the shoe part forward and yieldably mounted to move laterallytwiththe shoe part and friction means for holding the shoe part against the edge gage.

. 16. In a machine for operating upon shoe parts, an operating tool, an edge gage adjacent thereto, and means for carrying the margin of the shoe part past the operating tool with the shoe part in contact with theedge gage, comprising coaxial arcuate members positively driven to feed the shoe part and mounted for axial movement away from normal position and means for returning said members to normal position when they are out of contact "with the shoe part.

1'7. In a machine for operating upon shoe parts, an operating too1,'an edge gage adjacent thereto, and means for carrying the margin of the shoe part past the operating tool with the shoe part in contact with the edge gage, comprising coacting arcuate members for moving the shoe part toward the edge gage,;said members being mounted for yieldable movement with the shoe part asit goes forward.

18. In a machine for operating upon shoe 7 parts, an operating tool; an edge'gage adjacent thereto, and means for carrying'the margin of the shoe part past the operating tool with the 'shoe part in contact with the edge gage, comprising two sets of coaxial cooperating arcuate members one of which sets causes forward movement of the shoe part and the other of which sets causes lateral movement of the shoe part, one 'set of said members being provided with yieldable means acting to return a member to normal position after it has been displaced to either side of its normal position.

19. In a machine for operating upon shoe parts, an operating tool, an edge gage adjacent thereto, and means for carrying the margin of the shoe part past the operating tool with the shoe part in contact with the edge gage, com-v prising sets of coaxialcooperating arcuate members mounted for axial movement, one set of said members operating to effect forward movement of the shoe part and the other set operating to urge the shoe part toward the edge gage, and yieldable means permitting axial movement 'of the members of the latter set in the direction of forward movement of the shoe part and operating to return said members to normal position when they are out of contact with the shoe part. '20. In a machine for operating upon shoe parts, a work-supporting feed roll driven to cause a forward movement of the shoe part, an edge gage adjacent thereto, an operating tool to treat that face of the shoe part which is in engagement with said feed roll, a pivotal support, and an auxiliary feed roll journaled in said pivotal support for engagement with the otherface of the shoe part, said auxiliary feed roll extending transversely to the line of forward movement and driven to tend to move the'work laterally of the forward movement thereof, thereby to hold it in engagement with the edge gage.

ERAS'I'US E. 

